How do you find a percent of a number ?
ex. 8% of 90

What is the size of the matrix resulting from

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?